captioning sponsored by rose communications from our studios in new york city, this is charlie rose. rose. >> rose: riccardo muti is here, he is one of the world's great conductors and led some of the best orchestras, including the vienna philharmonic, he is currently music director o director of the chicago symphony orchestra, critics and audiences alike have been dazed and charmed which the intensity, the technique, the emotion that he and his musicians bring. here is a look at a performance of verdi requiem. ♪ .. ♪ ♪ >> rose: muti and the chicago symphony orchestra in new york, to open the season at carnegie hall on october 3rd, they are performing orff's carmina burana, i am happy to have mastery i are back at this table, when you are conducting what are you thinking about? what is going through your head are you hearing the music instantaneously in your head that you know the score or what? >> this is a difficult, it is difficult to answer this question. in any case the conductor starts the performance one frac shun of a second before and ends one second of a frac shun bef